ScalaireV1, Main, Exploration, bibRecord, 000359

Mating system of the Amazonian cichlid angel fish, Pterophyllum scalare.

Identifieur interne : 000359 ( Main/Exploration ); précédent : 000358; suivant : 000360

Mating system of the Amazonian cichlid angel fish, Pterophyllum scalare.

Auteurs : M S R F. Cacho [Brésil] ; M E Yamamoto ; S. Chellappa

Source :

Brazilian journal of biology = Revista brasleira de biologia [ 1519-6984 ] ; 2007.

RBID : pubmed:17505764

English descriptors

KwdEn :
- Aggression (physiology), Animals, Cichlids (physiology), Courtship, Female, Male, Sexual Behavior, Animal (physiology).
MESH :
- physiology : Aggression, Cichlids, Sexual Behavior, Animal.
- Animals, Courtship, Female, Male.

Abstract

The species, Pterophyllum scalare distinguishes itself by its breeding behavior, involving competition for territory, sexual partners, courtship and parental care. The purpose of this study was to identify the mating system adopted by this species of fish. Twenty males and twenty females were observed under semi-natural and experimental conditions to test the hypothesis of serial monogamy. Under semi-natural conditions, after the third breeding cycle, the couples changed mates. Under experimental conditions, the couples changed partners after the first breeding cycle. Under experimental conditions, mate recognition was investigated through the preference of the females, indicated by the time they spent with the males. The females were available or not for courtship from new males, depending on their aggressiveness or submission. The larger and more aggressive males obtained new mating opportunities while the submissive males were rejected by the females. The mated fish were aggressive towards intruders in the presence of the mate, protecting their pair bond. In the interval between breeding cycles, the couples did not display aggression towards intruders, confirming the hypothesis of serial monogamy. Best mate selection by the females and the opportunity of new matings for both sexes influenced the reproductive success of this species.

PubMed: 17505764

Affiliations:

Le document en format XML

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<author><name sortKey="Cacho, M S R F" sort="Cacho, M S R F" uniqKey="Cacho M" first="M S R F" last="Cacho">M S R F. Cacho</name>
<affiliation wicri:level="2"><nlm:affiliation>Postgraduate Programme in Psychobiology, Department of Physiology, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil. socorrocacho@ufrnet.br</nlm:affiliation>
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<wicri:regionArea>Postgraduate Programme in Psychobiology, Department of Physiology, Universidade Federal do Rio Grande do Norte, Natal, RN</wicri:regionArea>
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<author><name sortKey="Yamamoto, M E" sort="Yamamoto, M E" uniqKey="Yamamoto M" first="M E" last="Yamamoto">M E Yamamoto</name>
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<author><name sortKey="Chellappa, S" sort="Chellappa, S" uniqKey="Chellappa S" first="S" last="Chellappa">S. Chellappa</name>
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<series><title level="j">Brazilian journal of biology = Revista brasleira de biologia</title>
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<front><div type="abstract" xml:lang="en">The species, Pterophyllum scalare distinguishes itself by its breeding behavior, involving competition for territory, sexual partners, courtship and parental care. The purpose of this study was to identify the mating system adopted by this species of fish. Twenty males and twenty females were observed under semi-natural and experimental conditions to test the hypothesis of serial monogamy. Under semi-natural conditions, after the third breeding cycle, the couples changed mates. Under experimental conditions, the couples changed partners after the first breeding cycle. Under experimental conditions, mate recognition was investigated through the preference of the females, indicated by the time they spent with the males. The females were available or not for courtship from new males, depending on their aggressiveness or submission. The larger and more aggressive males obtained new mating opportunities while the submissive males were rejected by the females. The mated fish were aggressive towards intruders in the presence of the mate, protecting their pair bond. In the interval between breeding cycles, the couples did not display aggression towards intruders, confirming the hypothesis of serial monogamy. Best mate selection by the females and the opportunity of new matings for both sexes influenced the reproductive success of this species.</div>
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<affiliations><list><country><li>Brésil</li>
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Mating system of the Amazonian cichlid angel fish, Pterophyllum scalare.

Mating system of the Amazonian cichlid angel fish, Pterophyllum scalare.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration sur le scalaire
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